ppp: update Kconfig help message

Both links of the PPPoE section are no longer valid, and the CVS version
is no longer relevant.

- Replace the TLDP URL with the pppd project homepage.
- Update pppd version requirement for PPPoE.
- Update RP-PPPoE project homepage, and clarify that it's only needed
  for server mode.

Signed-off-by: Qingfang Deng <qingfang.deng@linux.dev>
Reviewed-by: Julian Braha <julianbraha@gmail.com>
Link: https://patch.msgid.link/20260402050053.144250-1-qingfang.deng@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ppp/Kconfig b/drivers/net/ppp/Kconfig
index f57fba84fe558d6ada803749d393b9fa14505fd3..753354b4e36cbaa259016f162afdc992ef939fc2 100644 (file)
--- a/drivers/net/ppp/Kconfig
+++ b/drivers/net/ppp/Kconfig
@@ -13,10 +13,9 @@ config PPP
          otherwise you can't use it; most Internet access providers these
          days support PPP rather than SLIP.
 
-         To use PPP, you need an additional program called pppd as described
-         in the PPP-HOWTO, available at
-         <http://www.tldp.org/docs.html#howto>.  Make sure that you have
-         the version of pppd recommended in <file:Documentation/Changes>.
+         To use PPP, you need an additional program called pppd, available at
+         <https://ppp.samba.org>.  Make sure that you have the version of pppd
+         recommended in <file:Documentation/Changes>.
          The PPP option enlarges your kernel by about 16 KB.
 
          There are actually two versions of PPP: the traditional PPP for
@@ -116,11 +115,10 @@ config PPPOE
        help
          Support for PPP over Ethernet.
 
-         This driver requires the latest version of pppd from the CVS
-         repository at cvs.samba.org.  Alternatively, see the
-         RoaringPenguin package (<http://www.roaringpenguin.com/pppoe>)
-         which contains instruction on how to use this driver (under
-         the heading "Kernel mode PPPoE").
+         To work in client mode, pppd version 2.4.2 or later is required.
+         To work in server mode, the pppoe-server command from the RP-PPPoE
+         package is also required, available at
+         <https://dianne.skoll.ca/projects/rp-pppoe/>.
 
 choice
        prompt "Number of PPPoE hash bits"